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<H1><A NAME="9">Part VIII - Black Magic</A></H1>
<P> This chapter is really not recommended for newbies. It demonstrates
 how to do strange things with txt2tags filters, abusing of complex
 patterns and Regular Expressions.</P>
<BLOCKQUOTE><B> BEWARE!</B> The following procedures are NOT encouraged
 and can break things. Even some text from the document source can be
 lost on the conversion process, not appearing on the target document.
 Just use these tactics if you really need them and know what you are
 doing.</BLOCKQUOTE><BLOCKQUOTE><B> Note:</B> Filters are a powerful
 feature, but can be dangerous!</BLOCKQUOTE><BLOCKQUOTE><B> Note:</B>
 Bad filters do generate unexpected results.</BLOCKQUOTE>
<P> Keep that in mind, please.</P>
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